Dataset summary stats:

We have 62 lakes total. The table below shows the number of daily observations and date range for each lake. Lakes are arranged by number of daily metabolism observations.

lakeNamen_daily_obsmin_daymax_day
PrairiePothole182019-07-052019-10-11
PrairieLake192018-09-282018-10-16
LittleRock202018-08-012018-10-02
Balaton392008-06-132008-10-11
Morris722013-05-212013-07-31
Barco762019-04-122019-12-16
Rotoiti822008-08-252009-07-23
P1922019-05-252019-08-24
P8922019-05-252019-08-24
EastLong932013-06-132013-09-13
Northgate932017-05-302017-09-14
Cranberry952017-06-042017-09-14
SkyPond962017-05-302017-09-25
Ward992016-06-012016-09-11
Bay1002016-05-302016-09-10
TheLoch1002016-07-202016-10-27
Bolger1032017-05-312017-09-14
Brown1062017-05-302017-09-14
Hummingbird1082017-05-302017-09-14
WestLong1082017-05-302017-09-14
Croche1092016-05-102016-10-22
Castle1112019-06-122019-10-24
Nastjarn1132013-05-152013-10-13
Crampton1142013-05-212013-09-12
Almberga1202019-05-292019-09-25
Trout1312013-06-092013-11-18
Lillinonah1372014-05-062014-10-16
Lillsjoliden1372012-06-112012-10-25
Mirror1382003-03-202003-10-15
Ovre1412012-06-052012-10-23
Onondaga1422001-05-052001-10-27
Erken1452018-05-082018-11-06
CrystalBog1472008-05-302008-11-04
Oneida1472019-05-302019-10-27
Struptjarn1472012-05-312012-10-24
Langtjern1512013-06-122013-11-24
Suggs1522019-03-312019-12-12
TroutBog1532008-05-302008-11-10
Acton1562011-04-212011-10-02
Simoncouche1562016-05-192016-10-24
Mangstrettjarn1582013-05-102013-10-14
Hampenso1652007-04-192007-09-30
Jordan1712018-05-092018-10-31
Sunapee1752008-05-012008-10-30
Utah1822017-05-042017-11-19
Taupo1982017-10-012018-05-01
Vedstedso2012008-05-142008-11-30
Schulzensee2032010-05-072010-12-19
FredriksburgSlotso2112006-04-112006-11-21
Harp2122013-05-012013-11-30
Gollinsee2212010-05-052010-12-30
StGribso2262006-04-122006-11-23
Pontchartrain2382008-03-212008-12-31
Taihu2442007-10-092008-09-26
Mendota2462016-03-302016-12-01
Mueggelsee2922015-01-022015-12-29
Rotorua3102007-07-142008-07-09
Vortsjarv3192013-01-142013-11-30
Feeagh3442013-01-012013-12-31
Annie3562008-03-012009-02-27
Kentucky3572008-01-012008-12-30
YunYang3652016-12-312017-12-30

Distribution of log10 GPP

Distribution of log10 ER

Median vs. Mean

Time series of each lake

Plotted to give you a sense how the seasonality in GPP in some of these systems as well as what times of year we have data for each lake.

Pull in lake metadata & join

Code not printed.

Maps & tables of global distrib.

Southern hemisphere and lakes in Asia not printed on a map, but note that they do exist!

ChinaNew ZealandTaiwanSUM
1315

Load calc possible?

Showing you how many lakes (n, as well as percentage) where we can get “true” load estimates from stream discharge and nutrient grab samples

LSA distribution

Here I’m showing a few figures to give you a sense of the lake size distributions, both categorical and continuous.

Hydrologic residence time distibution

Here I’m showing a few figures to give you a sense of the HRT distributions. These HRT estimates were either given to me by the folks sharing data, or I extracted them from the literature. Still missing a few lakes.

Pull individuals lake nutrients

Data wrangling, not shown.

Join nutrients to metab

Data wrangling, not shown.

In-lake nutrients

DOC, TP, TN distributions

We also have some other nutrient data for some lakes, but it is much less consistent. For instance, we have some absorbance data, but not always measured at 440nm. Some folks also supplied dissolved nutrients, and I believe all the particulate nutrients come from UNDERC lakes.

nameTotal number of lakes
abs2506
abs2543
abs2806
abs44022
chla_ugL23
cond_uScm8
DOC_mgL57
DRP2
NH4_ugL_N7
NO3_ugL23
NO3_ugL_N5
orthoP_ugL6
PO4_ugL7
POC_mgL8
PON_mgL8
PP_ugL9
secchi_m4
SRP_ugL17
TDN_ugL8
TDP_ugL9
TN_ugL53
TP_ugL55

GPP vs. in-lake nutrients

In lake DOC vs. TP

GPP vs. lake size

Lake DOC vs. lake size

zMix vs. lake DOC

Modelled zMix vs. calc zMix

At our meeting last week someone mentioned something about comparing the Kelly model calculated zMix values (Equation 7 from the paper) with modeled zMix values. This is how it looks. We don’t have a lot of chla or POC data, which might be one reason this looks off.